Smith, Trevor

Examines the history of immigration, explains the reasons for migration, discusses the patterns and problems of immigration, and looks at how the experiences of refugees differ from those of other immigrants.

Explains the science behind climate change.

Explores perspectives on the social, political, and environment issue facing the world on understanding renewable energy.

Explores renewable energy sources--particularly wind, water, and solar power--on a global scale, covering the cost, output, and environmental impact of non-renewable sources and the future role of renewables. Includes teacher notes.

Explores factors in climatic change, such as greenhouse gases and carbon dioxide emissions, looks at international efforts to remedy the problem, discusses whether human activities are contributing to global warming, and more. Includes teacher notes.

Examines the issues faced by refugees and migrants and thecountries to which they move. Includes teacher notes.

Discusses why people leave their home countries when their safety is threatened and for other reasons, and how large numbers of people entering a new country can cause chaos.

Learn about different types of renewable energy and what it means for the world.

Features some of the remarkable members of the lizard world, including the chameleon, flying gecko, and blue tongue skink, and describes important characteristics of the whole group.

Features some of the remarkable members of the lizard world, including the chameleon, flying fecko, and blur-tongued skink, and describes the important characteristics of the whole group.